Leonardo da Vinci: Until end of turn, Thopters you control have base power and toughness X X, where X is the number of cards in your hand. , : Draw a card, then discard a card. If the discarded card was an artifact card, exile it from your graveyard. If you do, create a token that's a copy of it, except it's a 0 2 Thopter artifact creature with flying in addition to its other types.